Dyfyniad APA

Geula, E. (2017). McGraw-Hill Education GRE 2018: 6 practice tests. New York: McGraw-Hill Education.

Dyfyniad Arddull Chicago

Geula, Erfun. McGraw-Hill Education GRE 2018: 6 Practice Tests. New York: McGraw-Hill Education, 2017.

Dyfyniad MLA

Geula, Erfun. McGraw-Hill Education GRE 2018: 6 Practice Tests. New York: McGraw-Hill Education, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.